A battery monitor is like a gas gauge, showing you how much electrical power is left (known as state of charge) as well as other vital signs. Today adding a monitor to a boat battery is easier than ...

A boat battery-selector switch is a small but mighty component, allowing boaters control over which battery to use when starting the boat engine and powering accessories. It also lets boaters turn off ...

Marine batteries are the unsung hero of the boating world. Just as boaters will go out of their way to find ethanol-free fuel and additives to keep their outboard running at peak performance, anglers ...